Merge "aconfig: cache flag value in generated java code" into main am: da886603 am: 6e1ac53b

Original change: https://android-review.googlesource.com/c/platform/build/+/2802758



Change-Id: I7f4be56fbb5d69176a6dd4ed73f1132f275ef770
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>